Toshiba 23HLV85 - 23" LCD TV, Service Manual

Page 1: ... 1 SERVICE MANUAL LCD Color Television 23HLV85 FILE NO 050 200532 Published in Japan Sep 2005 YC TOSHIBA CORPORATION 2005 DOCUMENT CREATED IN JAPAN Sept 2005 ...

Page 2: ...ONS 8 2 2 AUTO GAIN OFFSET ADJUSTMENT 8 2 3 DDC EDID DATA READ WRITE 9 3 VCTI FIRMWARE INSTALLATIONS UPGRADING 19 3 1 VCTI FIRMWARE INSTALLATIONS 20 3 2 SCALER FIRMWARE INSTALLATIONS 26 4 TROUBLESHOOTING 33 5 EXPLODED VIEW 40 6 CHASSIS AND CABINET REPLACEMENT PARTS LIST 41 7 PC BOARDS TOP BOTTOM VIEW 52 8 SCHEMATIC DIAGRAM 55 8 1 WIRING DIAGRAM 56 8 2 BLOCK DIAGRAM 57 ...

Page 3: ...f injury or where there could be physical damage in the event of operational error Physical damage means major damage to a home furnishings and other possessions Examples of marks SHOCK HAZARD PROHIBIT DISASSEM BLING UNPULUG The indicates caution including danger and warning The actual meaning of this caution is indicated inside the or nearby illustrations or text The example shown to the left ind...

Page 4: ...ark is included in a circuit diagram or parts list Parts mounting and routing of the wiring should be the same as that used originally For safety purposes insulating materials such as tubing or tape is sometimes used and printed circuit boards are sometimes mounted floating Also make sure that wiring is routed and clamped to avoid parts that generate heat and which use high voltage Always follow t...

Page 5: ...le with the corresponding holes in the LCD cover and fasten with screws Do not strongly push on the mod ule because any impact can adversely affect the perform ance Also use caution when handling the polarized screen because it can easily be damaged CAUTION The metal edges of the LCD module are sharp handle it with care 3 If the panel surface becomes soiled wipe with cotton or a soft cloth If this...

Page 6: ...ecifications Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage 9 Do not disassemble the LCD module Such actions could result in improper operation 10 When transporting the LCD module do not use packing containing epoxy resin amine or silicon resin alcohol or oxim The gas generated by these materials can cause loss of polarity ...

Page 7: ...1 1 1 Press MUTE on the remote control once 1 1 2 Press MUTE again and press on LCD TV Service mode displayed on TV screen VCTi version Items other than those enclosed by are default settings Item Default setting 3D Comb Filter 1 HDTV 1 PC Information 1 Speaker Outout 0 FLI2310 1 Country 2 Canadian Vchip 0 BS 0 Module Option 0 Scaler version ...

Page 8: ...enerator to the component jack D Jack of LCD TV 3 Change the TV input mode to component mode 4 Select 480p Mode Y 100 Pb Pr 75 in Pattern Generator Select Pattern 33 Color Bar Pattern signal in Pattern Generator MSPG925F 5 Go into service mode and Auto Gain menu appears and then press VOL 6 Press OK to store the adjustment data 2 2 3 PC Mode Adjustment Preparation Carry out Heat Run for 30 minutes...

Page 9: ...01 Change IC1105 IC1104 or IC1106 IC1103 Check 15V or ST_5V of Power B D Check Output of IC1105 IC1104 or IC1106 IC1103 Fail Check LED Assy Check Output of IC1000 IC1001 Fail Pass Pass Pass Process A Change LED Assy Fail Fail Ref 1 1 1 ST_5V P1000 1 Ref 1 15V P1000 14 15 Ref 1 1 4 TROUBLESHOOTING ...

Page 10: ...heck the input output of IC400 Check the input output of IC501 Fail Pass Pass Re soldering or Change the defect part Check IC501 X500 IC701 Change R178 R179 R180 Re soldering or Change the defect part Check IC450 X450 IC451 Check the input output of IC450 Fail Fail Pass Pass Ref 2 2 1 Component V signal Output IC400 64 Ref 2 Component H signal Output IC400 66 Ref 2 1 Process C ...

Page 11: ...ss Pass Fail Fail Fail No Raster on TV RF signal Re soldering or change defect part check IC200 X200 Fail Re soldering or change defect part check IC300 3200 Check the output of TU100 Check the input output IC200 Pass Check the input output IC300 Pass Check the input output IC200 Pass Pass Ref 3 Ref 4 ITU 656 Clock out IC200 83 Ref 4 Y separated output IC300 96 Ref 3 Process C ...

Page 12: ...part check IC200 X200 Check P53 P1001 or P202 Repeat Process A Repeat Process A Check the signal of R11 R12 Fail Fail Fail Pass Pass Pass Pass Check the signal of L214 L215 L216 Check the input output IC200 Ref 5 Ref 6 Y signal input IC200 62 Ref 6 Y signal input IC200 68 Ref 5 Process C ...

Page 13: ...art check IC501 X500 IC701 Repeat Process A Check the input output IC600 Pass Pass Pass No Raster on PC signal Repeat Process A Check the input output IC501 Pass Ref 7 7 1 Ref 8 8 1 PC H Signal Input IC501 181 Ref 7 1 HDMI H Signal output IC600 2 Ref 7 PC V Signal input IC501 182 Ref 8 1 HDMI V Signal output IC600 3 Ref 8 Fail Fail Process C ...

Page 14: ...ge the defect part Check IC901 Check the input output of IC901 Pass Fail Re soldering or Change the defect part Check IC200 X200 Check the input output of IC200 Pass Fail Re soldering or Change the defect part Check IC900 Check the input output of IC900 Pass Fail Change the speaker Check the speaker Pass Ref 9 Sound Input IC900 3 5 Ref 9 Process D ...

Page 15: ...or change the defect part ic650 Check the input source Check the input source Fail Fail Fail Fail Fail Re soldering or change the defect part IC800 IC801 Check the input output IC650 Check the input output IC801 Check the input output IC800 Pass Pass Pass Pass Pass Process D ...

Page 16: ... 40 5 EXPLODED VIEWS 23HLV85 010 140 100 170 150 040 020 080 090 130 120 030 050 110 Y151 ...

Page 17: ...PF 50V J NP0 2012 C81 72795161 0CH6331K416 CERAMIC CHIP 330PF 50V J NP0 2012 C82 72795183 0CK225DH94A CERAMIC 2 2UF 2012 25V 80 C83 72795197 0CE476WF6DC ELECTROLYTIC 47UF MVK 16V 20 R T C84 72781845 0CH6030K116 CERAMIC 3PF 2012 50V 0 5 PF C85 72781845 0CH6030K116 CERAMIC 3PF 2012 50V 0 5 PF C100 72795171 0CH3103K516 CERAMIC 10000PF 50V 10 B Y5 C101 72796122 0CE107EK638 ELECTROLYTIC 100UF KMG 50V M...

Page 18: ...06 CERAMIC CHIP 1000PF 50V J SL 2012 C265 72795172 0CH3104K566 CERAMIC 0 1UF 50V 10 X7R 20 C266 72795180 0CK106EF56A CERAMIC 10UF 3216 16V 10 X7 C268 72796128 0CC220CK41A CERAMIC 22PF 1608 50V 5 R T C270 72795180 0CK106EF56A CERAMIC 10UF 3216 16V 10 X7 C271 72795172 0CH3104K566 CERAMIC 0 1UF 50V 10 X7R 20 C272 72795191 0CE107WF6DC ELECTROLYTIC 100UF MVK 16V 20 R C273 72795172 0CH3104K566 CERAMIC 0...

Page 19: ...2 0CH3104K566 CERAMIC 0 1UF 50V 10 X7R 20 C436 72795191 0CE107WF6DC ELECTROLYTIC 100UF MVK 16V 20 R C442 72795172 0CH3104K566 CERAMIC 0 1UF 50V 10 X7R 20 C454 72796126 0CH6330K416 CERAMIC CHIP 33PF 50V J NP0 2012 C456 72795172 0CH3104K566 CERAMIC 0 1UF 50V 10 X7R 20 C460 72795148 0CH8106F691 ELECTROLYTIC 10UF 16V 20 105STD C461 72795172 0CH3104K566 CERAMIC 0 1UF 50V 10 X7R 20 C462 72795177 0CK104C...

Page 20: ...ERAMIC CHIP 1000PF 50V J SL 2012 C761 72795199 0CH8106J691 ELECTROLYTIC 10UF 35V 20 105STD C762 72795161 0CH6331K416 CERAMIC CHIP 330PF 50V J NP0 2012 C763 72795155 0CH6102K406 CERAMIC CHIP 1000PF 50V J SL 2012 C764 72795194 0CE226WJ6DC ELECTROLYTIC 22UF MVK 35V 20 R T C800 72795199 0CH8106J691 ELECTROLYTIC 10UF 35V 20 105STD C801 72795172 0CH3104K566 CERAMIC 0 1UF 50V 10 X7R 20 C802 72795196 0CE4...

Page 21: ...5V 80 C1140 72795191 0CE107WF6DC ELECTROLYTIC 100UF MVK 16V 20 R C1141 72795183 0CK225DH94A CERAMIC 2 2UF 2012 25V 80 C1142 72795155 0CH6102K406 CERAMIC CHIP 1000PF 50V J SL 2012 C1143 72795180 0CK106EF56A CERAMIC 10UF 3216 16V 10 X7 C1144 72795155 0CH6102K406 CERAMIC CHIP 1000PF 50V J SL 2012 C1147 72795180 0CK106EF56A CERAMIC 10UF 3216 16V 10 X7 C1148 72795155 0CH6102K406 CERAMIC CHIP 1000PF 50V...

Page 22: ... R101 72795354 0RH8200D622 METAL GLAZE 820 OHM 1 10 W 201 R102 72795368 0RH1501D622 METAL GLAZE 1 5K OHM 1 10 W 20 R103 72795362 0RH1000D622 METAL GLAZE 100 OHM 1 10 W 201 R104 72795359 0RH0000D622 METAL GLAZE 0 OHM 1 10 W 2012 R105 72795337 0RH2001D622 CHIP 2 0K 1 10W 5 D R TP R106 72796194 0RH0332D622 CHIP 33 1 10W 5 D R TP R107 72795338 0RH2200D622 METAL GLAZE 220 OHM 1 10 W 201 R108 72795367 0...

Page 23: ...160 R324 72796216 0RJ3602D677 METAL GLAZE 36K OHM 1 10 W 5 16 R326 72796213 0RJ1004D677 METAL GLAZE 1000000 OHM 1 10 W 5 R327 72795384 0RJ1002D677 METAL GLAZE 10K OHM 1 10 W 5 16 R328 72796212 0RJ1003D677 METAL GLAZE 100K OHM 1 10 W 5 1 R329 72795380 0RJ1000D677 METAL GLAZE 100 OHM 1 10 W 5 16 R330 72795380 0RJ1000D677 METAL GLAZE 100 OHM 1 10 W 5 16 R331 72795352 0RH7501D622 METAL GLAZE 7 5K OHM ...

Page 24: ...HM 1 10 W 20 R677 72795380 0RJ1000D677 METAL GLAZE 100 OHM 1 10 W 5 16 R679 72795334 0RH0472D622 METAL GLAZE 47 OHM 1 10 W 2012 R700 72795359 0RH0000D622 METAL GLAZE 0 OHM 1 10 W 2012 R703 72795347 0RH4703D622 METAL GLAZE 470K OHM 1 10 W 20 R705 72795394 0RJ4701D677 METAL GLAZE 4 7K OHM 1 10 W 5 1 R706 72795345 0RH4701D622 METAL GLAZE 4 7K OHM 1 10 W 20 R707 72795394 0RJ4701D677 METAL GLAZE 4 7K O...

Page 25: ...002D622 METAL GLAZE 10K OHM 1 10 W 201 R1304 72795345 0RH4701D622 METAL GLAZE 4 7K OHM 1 10 W 20 R1305 72795363 0RH1001D622 METAL GLAZE 1K OHM 1 10 W 2012 R1306 72795345 0RH4701D622 METAL GLAZE 4 7K OHM 1 10 W 20 R1309 72795359 0RH0000D622 METAL GLAZE 0 OHM 1 10 W 2012 R1500 72795381 0RJ1000H680 METAL GLAZE 100 OHM 1 2 W 5 502 R1502 72795361 0RH0752D622 METAL GLAZE 75 OHM 1 10 W 2012 R1505 7279534...

Page 26: ...72795446 0TR387500AA TRANSISTOR CHIP 2SC3875S ALY B Q905 72795448 0TFIR80017B TRANSISTOR FET IRLML5203TRPBF LF IN Q1000 72795446 0TR387500AA TRANSISTOR CHIP 2SC3875S ALY B D100 72796157 0DZ330009DF DIODE ZENER MTZJ33B TP ROHM K DO D101 72795239 0DS181009AA DIODE KDS181 TP KEC SOT 2 D150 72796155 0DD184009AA DIODE CHIP KDS184 T1 B3 K D301 72795242 0DVTB00048A DIODE VARICAP 1SV324E LF TOSHIBA R D100...

Page 27: ...TOSHIBA ML 100 72796191 6871TSTB59A PC BOARD ASSY SUB T23HLV85 DIODE LED P SW 130 72796188 6871TSTA75A PC BOARD ASSY SUB SUB T T ML05TA TOSHI 140 72796190 6871TSTB58A PC BOARD ASSY SUB T23HLV85 CONTROL TOT 170 72796187 6871TST997F PC BOARD ASSY SUB ML 05TA TOSHIBA 23 U TUNER TU100 72795449 6700VS0003D TUNER TAEW G052PLGITMULT ACCESSORIES A701 72796119 3890TSEA65F CORTONBOX T23HLV85 MA DVD TOS A702...

Page 28: ... 52 7 PC BOARDS TOP BOTTOM VIEW MAIN BOARD BOTTOM FOIL SIDE The information contained in this section subjects to model ...

Page 29: ... 53 MAIN BOARD TOP COMPONENT SIDE ...

Page 30: ...OMPONENT SIDE CONTROL BOARD BOTTOM FOIL SIDE POWER BOARD TOP COMPONENT SIDE POWER BOARD BOTTOM FOIL SIDE SIDE A V BOARD TOP COMPONENT SIDE SIDE A V BOARD BOTTOM FOIL SIDE IR BOARD BOTTOM FOIL SIDE IR BOARD TOP COMPONENT SIDE ...

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